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build.rs
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build.rs
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use std::env;
use std::fs::File;
use std::io::{BufReader, BufWriter};
use std::path::Path;
use bincode::Options;
#[path = "src/metadata/loader.rs"]
mod loader;
#[path = "src/error.rs"]
mod error;
fn main() {
let pnm_path = "assets/PhoneNumberMetadata.xml";
let metadata = loader::load(BufReader::new(
File::open(pnm_path).expect("could not open metadata file"),
))
.expect("failed to load metadata");
println!("cargo:rerun-if-changed={pnm_path}");
let mut out = BufWriter::new(
File::create(Path::new(&env::var("OUT_DIR").unwrap()).join("database.bin"))
.expect("could not create database file"),
);
bincode::options()
.with_varint_encoding()
.serialize_into(&mut out, &metadata)
.expect("failed to serialize database");
}